Display screen or portion thereof with graphical user interface for an investment tool



The FIGURE is a front view of a display screen or portion thereof with graphical user interface for an investment tool, showing the claimed design.

The broken line portions are included to show environment or disclaimed portions only, and form no part of the claimed design. More particularly, the outermost broken lines in the FIGURE show a display screen or portion thereof, and form no part of the claimed design. The other broken lines in the FIGURE show portions of the graphical user interface that form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface for an investment tool, as shown and described. 